#日期格式转换
# x = input("输入日期")
# # 开始
# month = {1: 'January', 2: 'February', 3: 'March', 4: 'April', 5: 'May', 6: 'June', 7: 'July', 8: 'August',
#          9: 'September', 10: 'October', 11: 'November', 12: 'December'}
# w = x.split('/')
# m = month.get(int(w[1]))
# y = m + ' ' + w[2] + ',' + w[0]
# z = w[2] + ' ' + m + ',' + w[0]
# # 结束
# print("美式格式" + y)
# print("英式格式" + z)



#判断句子是否每个英文字母起码出现一次
# x = input("")
# x = x.lower()#将所有大写字母转为小写字母
# jh = set()#创建一个空集合
# for i in x:
#     if 'a' <= i <= 'z':
#         jh.add(i)
#
# if len(jh) == 26:
#     print("True")
# else:
#     print("False")



#集合的运算
# hd1 = set()
# hd2 = set()
# gh = input("")
# lb = gh.split(',')
# for x in lb:
#     hd1.add(eval(x))
# gh = input("")
# lb = gh.split(',')
# for x in lb:
#     hd2.add(eval(x))
# # 代码开始
# hd3 = hd1 & hd2
# hd4 = hd1 - hd2
# hd5 = hd2 - hd1
# # 代码结束
# print("两项活动都参加", hd3)
# print("只参加活动1", hd4)
# print("只参加活动2", hd5)



#计算购买饮品金额
# cp=(("悠哉悠哉",18),("人间烟火",17),("蔓越阑珊",17),("抹茶葡提",16),("幽兰拿铁",16),("  翠翠  ",13),("浮生半日",15),("筝筝纸鸢",16),("声声乌龙",15),("风栖绿桂",12),("素颜锡兰",13),("烟火易冷",15))
# #代码开始
# num = 1#序号从1开始
# sum = 0#总价格从0开始
# for i in range(len(cp)):
#     if num<10:
#         n = ' '+str(num)
#     else:
#         n = str(num)#打印名字前的序号
#     for j in range(len(cp[0])):
#         n += str(cp[i][j])
#     print(n)
#     num += 1
# while True:
#     x = int(input("请选择饮品"))
#     if x == 0:
#         break
#     y = int(input("请输入数量"))
#     sum += cp[x-1][1]*y
# print("应付"+str(sum)+"元")
# #代码结束


#元组的使用：这份菜单能修改吗？
# coding=utf-8
# 创建并初始化munu_list列表
# menu_list = []
# while True:
#     try:
#         food = input()
#         menu_list.append(food)
#     except:
#         break
# # 请在此添加代码，对menu_list进行元组转换以及元组计算等操作，并打印输出元组及元组最大的元素
# ########## Begin ##########
# print(tuple(menu_list))
# print(max(menu_list))
# ########## End ##########


#字典的使用：这份菜单可以修改
# coding=utf-8
# 创建并初始化munu_dict字典
# menu_dict = {}
# while True:
#     try:
#         food = input()
#         price = int(input())
#         menu_dict[food]= price
#     except:
#         break
# # 请在此添加代码，实现对menu_dict的添加、查找、修改等操作，并打印输出相应的值
# ########## Begin ##########
# menu_dict['lamb'] = 50
# print(menu_dict['fish'])
# menu_dict['fish'] = 100
# del menu_dict['noodles']
# print(menu_dict)
# ########## End ##########


#字典的遍历：菜名和价格的展示
# coding=utf-8
# 创建并初始化munu_dict字典
# menu_dict = {}
# while True:
#     try:
#         food = input()
#         price = int(input())
#         menu_dict[food]= price
#     except:
#         break
# # 请在此添加代码，实现对menu_dict的遍历操作并打印输出键与值
# ########## Begin ##########
# for key in menu_dict.keys():
#     print(key)
# for value in menu_dict.values():
#     print(value)
# ########## End ##########


#嵌套 - 菜单的信息量好大
# coding=utf-8
# 初始化menu1字典，输入两道菜的价格
menu1 = {}
menu1['fish']=input()
menu1['pork']=input()
# menu_total列表现在只包含menu1字典
menu_total = [menu1]
# 请在此添加代码，实现编程要求
########## Begin ##########
menu2 = {}
# menu2['fish'] = menu1['fish']*2
# menu2['pork'] = menu1['pork']*2
# for key,value in menu1.items():
#     menu2[key] = value*2
menu_total = [menu1,menu2]
#menu_total.append(menu2)
########## End ##########
# 输出menu_total列表
print(menu_total)
